Calculate the total impedance of line having 0.5 ohms resistance and 0.5 of reactance:

When power supply for a circuit containing capacitor is removed, capacitor discharges quickly:

Calculate the resistance of the electrical kettle drawing a power of 1 kW at 120V supply lines:

Algebraic sum of currents entering and leaving a node is equal to zero. Which principle is this:

DC machine works on the principle of:

Units of Inductance is:

During short circuit, short circuit current is limited by:

Speed of electrical machine is measured using:

Which one of the following material is good conductor of electricity:

Calculate the real power

Starting Torque of Induction Motor is:

Internal faults in electrical machines is sensed by:

Reactive Power is the Useful Power

Which of the device converts a.c supply to d.c supply

When the supply frequency increases from 60Hz to 120Hz, transformer losses

Isolators should be operated under no load condition:

In a delta connected circuit, which one of the quantities will have remain same while computing phase to phase and line to line magntidues

Which one of the equipment is responsible for low power factor:

Ohm’s law is applicable for both linear and non-linear devices:

For high voltage applications, which type of circuit breaker is most preferred: